X-Git-Url: https://git.lttng.org/?p=lttng-modules.git;a=blobdiff_plain;f=src%2Flttng-context-vuid.c;h=ef9a492865fbf4e57cb3d5dffca094d83b8a667b;hp=978cc54559ba9fd04f57f60db4ddde035031a1e8;hb=437d5aa59380583ce1cd14d394a53b398be1275d;hpb=d96a4a7a78319be3386b57d9068817e9ffac2a24 diff --git a/src/lttng-context-vuid.c b/src/lttng-context-vuid.c index 978cc545..ef9a4928 100644 --- a/src/lttng-context-vuid.c +++ b/src/lttng-context-vuid.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -28,7 +29,7 @@ size_t vuid_get_size(size_t offset) } static -void vuid_record(struct lttng_ctx_field *field, +void vuid_record(struct lttng_kernel_ctx_field *field, struct lib_ring_buffer_ctx *ctx, struct lttng_channel *chan) { @@ -40,37 +41,31 @@ void vuid_record(struct lttng_ctx_field *field, } static -void vuid_get_value(struct lttng_ctx_field *field, +void vuid_get_value(struct lttng_kernel_ctx_field *field, struct lttng_probe_ctx *lttng_probe_ctx, union lttng_ctx_value *value) { value->s64 = lttng_current_vuid(); } -int lttng_add_vuid_to_ctx(struct lttng_ctx **ctx) +static const struct lttng_kernel_ctx_field *ctx_field = lttng_kernel_static_ctx_field( + lttng_kernel_static_event_field("vuid", + lttng_kernel_static_type_integer_from_type(uid_t, __BYTE_ORDER, 10), + false, false, false), + vuid_get_size, + NULL, + vuid_record, + vuid_get_value, + NULL, NULL); + +int lttng_add_vuid_to_ctx(struct lttng_kernel_ctx **ctx) { - struct lttng_ctx_field *field; + int ret; - field = lttng_append_context(ctx); - if (!field) - return -ENOMEM; - if (lttng_find_context(*ctx, "vuid")) { - lttng_remove_context_field(ctx, field); + if (lttng_kernel_find_context(*ctx, ctx_field->event_field->name)) return -EEXIST; - } - field->event_field.name = "vuid"; - field->event_field.type.type = lttng_kernel_type_integer; - field->event_field.type.u.integer.size = sizeof(uid_t) * CHAR_BIT; - field->event_field.type.u.integer.alignment = lttng_alignof(uid_t) * CHAR_BIT; - field->event_field.type.u.integer.signedness = lttng_is_signed_type(uid_t); - field->event_field.type.u.integer.reverse_byte_order = 0; - field->event_field.type.u.integer.base = 10; - field->event_field.type.u.integer.encoding = lttng_kernel_string_encoding_none; - field->get_size = vuid_get_size; - field->record = vuid_record; - field->get_value = vuid_get_value; - lttng_context_update(*ctx); + ret = lttng_kernel_context_append(ctx, ctx_field); wrapper_vmalloc_sync_mappings(); - return 0; + return ret; } EXPORT_SYMBOL_GPL(lttng_add_vuid_to_ctx);